Acts 7:23-30

But when he was approaching the age of forty, it entered his mind to visit his brethren, the sons of Israel. And when he saw one of them being treated unjustly, he defended him and took vengeance for the oppressed by striking down the Egyptian. And he supposed that his brethren understood that God was granting them deliverance through him, but they did not understand. On the following day he appeared to them as they were fighting together, and he tried to reconcile them in peace, saying, ‘Men, you are brethren, why do you injure one another?’ But the one who was injuring his neighbor pushed him away, saying, ‘WHO MADE YOU A RULER AND JUDGE OVER US? YOU DO NOT MEAN TO KILL ME AS YOU KILLED THE EGYPTIAN YESTERDAY, DO YOU?’ At this remark, MOSES FLED AND BECAME AN ALIEN IN THE LAND OF MIDIAN, where he became the father of two sons. “After forty years had passed, AN ANGEL APPEARED TO HIM IN THE WILDERNESS OF MOUNT Sinai, IN THE FLAME OF A BURNING THORN BUSH.